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ISO 9001:2015

Chung Hwa Chemical
Industrial Works, Ltd.
No. 30, Ching Chien 5th Rd.
Guanyin District
Guanyin Industrial Park
32853
Taiwan

Certificate number FM 680635
Scope The design, manufacture and sales of industrial and electronic sulfuric acid, sulfurochloridic acid, liquid aluminum sulfate, photoresist and developer, diversifical ploy- aluminum chloride, functional fiber intermediates, toluenesulfonic acid series products, reactive ultraviolet absorber, dyestuff, pigment intermediates and fuel oil.
工業級硫酸、電子級硫酸、氯磺酸、液體硫酸鋁、光阻、顯影液、多元聚氯化鋁、機能性纖維中間體、甲苯磺酸化系列產品、反應型紫外線吸收劑、染顏料中間體、燃料油之研發、製造及銷售
Original registration date Effective date Last revision date Expiry date
Original registration date 2014-10-15 Effective date 2023-10-16 Last revision date 2023-10-11 Expiry date 2026-10-15

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